put the rub on the night before

take roast out to get to room temperature before cooking

preheat oven to 450

put roast in bottom of roaster pan with no water

cook for 15 minutes at 450

turn oven down to 350 and cook 2 hours

take out of oven & put aluminum foil tent over roast for 15-20 minutes

the above was for a 7.50 lb prime rib roast with bones

temp should be around 130 when you take out of the oven before tenting

we made this xmas day 2013 with a 7.50 lb prime rib with bones